/Engine/Plugins/Editor/WaveformEditor/Source/WaveformEditor/Public/WaveformEditor.h
bool Init ( const [EToolkitMode::Type](API\Editor\EditorFramework\Toolkits\EToolkitMode__Type) Mode, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IToolkitHost](API\Editor\EditorFramework\Toolkits\IToolkitHost) > & InitToolkitHost, [USoundWave](API\Runtime\Engine\Sound\USoundWave) * SoundWaveToEdit )